From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Wed, 29 Apr 2015 23:40:48 +0000 (+0000)
Subject: Add an assert to get information on buildbot failure.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9d45e721cefb8f2146aaa96cd994e5f549825e13;p=clang

Add an assert to get information on buildbot failure.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@236181 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index cd00be8ada..231720b8db 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -627,6 +627,7 @@ bool Preprocessor::HandleIdentifier(Token &Identifier) {
   // If this is a macro to be expanded, do it.
   if (MacroDefinition MD = getMacroDefinition(&II)) {
     auto *MI = MD.getMacroInfo();
+    assert(MI && "macro definition with no macro info?");
     if (!DisableMacroExpansion) {
       if (!Identifier.isExpandDisabled() && MI->isEnabled()) {
         // C99 6.10.3p10: If the preprocessing token immediately after the